Issue

Heap dump shows a large object of Java Static org.jenkinsci.plugins.pubsub.Message.jenkins.

Environment

• CloudBees CI (CloudBees Core)
• CloudBees CI (CloudBees Core) on modern cloud platforms - Managed controller
• CloudBees CI (CloudBees Core) on modern cloud platforms - Operations Center
• CloudBees CI (CloudBees Core) on traditional platforms - Client controller
• CloudBees CI (CloudBees Core) on traditional platforms - Operations Center
• CloudBees Jenkins Enterprise
• CloudBees Jenkins Enterprise - Managed controller
• CloudBees Jenkins Enterprise - Operations Center
• CloudBees Jenkins Platform - Client controller
• CloudBees Jenkins Platform - Operations Center
• CloudBees Jenkins Distribution
• Jenkins LTS

Resolution

To address this issue, upgrade the CloudBees Fast Archiving Plugin (cloudbees-jsync-archiver) plugin to 5.9 or higher.

Tested product/plugin versions

cloudbees-jsync-archiver 5.9